Luke Theodore Walton (born March 28, 1980) is an American professional basketball player for the Los Angeles Lakers of the National Basketball Association (NBA). His position is at small forward.

Born in San Diego, California as the son of former NBA great Bill Walton, Luke Walton was no stranger to the sport of basketball during his upbringing. Walton was named after Bill's close friend and former Portland Trail Blazers teammate Maurice Lucas. His three brothers — Adam, Nathan (who unsuccessfully ran for governor during the 2003 California recall), and Chris — also play or have played basketball for their schools. He went to Shady Hill School (in Cambridge, Massachusetts) while his father was playing for the Boston Celtics.

After graduating from University of San Diego High School in 1998, Walton enrolled at the University of Arizona and majored in family studies. There, he played for the Wildcats under coach Lute Olson. In his junior year, Walton averaged 15.7 points, 7.3 rebounds, 6.3 assists, 1.6 steals and 0.6 blocks per game. As a fifth year senior, he averaged 10.8 points, 5.6 rebounds, 5.1 assists and 0.9 steals.